Explosion balloon with shaving foam

From the author: "My friend and I were going to work, she went to the bath to make their case, and once made, and shut the door in the bathroom there was a loud bang. Open the door and we see the following picture: I blew my can of shaving foam. And if she had at that time I was sitting on the pot? »

This spectacle can only be compared with an exploding can of condensed milk ...